What are the cheapest airlines flying from Sioux Falls to London round-trip?

Flying on United Airlines is currently your cheapest option to London, with prices starting at £536. Additional return tickets that might be worth considering are offered by Iberia and KLM, with the lowest prices starting at £542 and £553, respectively. Users have found that United Airlines is 31% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Sioux Falls to London one-way?

The cheapest airline one-way is KLM, with whom users have recently found tickets for as low as £337. However, be on the lookout for offers from Lufthansa and American Airlines, as they are both options that can get you from Sioux Falls to London for a low price.

What are the most popular routes from Sioux Falls to London?

The most popular route from Sioux Falls to London is Sioux Falls Joe Foss Field - London Heathrow. You may also consider Sioux Falls Joe Foss Field - London City or Sioux Falls Joe Foss Field - London Gatwick.

What is the cheapest month to fly from Sioux Falls to London?

Due to multiple factors, expect to potentially pay more when booking in January. For low rates, March can be a great choice for travel to London. Flights to London from Sioux Falls in March are about £788 on average during March, but can be found for as low as £507.

What is the cheapest time of day to fly from FSD to LON?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sioux Falls to London as you normally would.

What airport do you fly from for flights from Sioux Falls to London?

For a flight from Sioux Falls to London, you will be flying from Joe Foss Field. Sioux Falls Joe Foss Field (FSD) is just 2.6 mi from the center of the city. Joe Foss Field is the only Sioux Falls airport and it handles 0 outbound flights to London per day. 0 airlines have flights to London from Sioux Falls Joe Foss Field on a regular basis.

Can I find deals for flights from Sioux Falls to London that include hotel bookings?

Yes. In addition to deals on Sioux Falls to London flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Sioux Falls to London?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to London.

Can I find deals for business class flights from Sioux Falls to London?

Yes. Cheapflights offers flight deals from Sioux Falls to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£149+ Flights from Sioux Falls to London

Cheap flight deals from Sioux Falls to London

Round-trip from	£536
One-way from	£149
Popular in	January
Cheapest in	March
Average price	£976

United Airlines
7/10-17/10
3 total stops
44h 14m total
Sioux Falls to London

Search Deals

25/7
1 total stop
31h 16m total
Sioux Falls to London

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (£143 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease (£46 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find flight deals from Sioux Falls to London

Cheapest flights from Sioux Falls to London
Explore the most affordable flight options available from Sioux Falls to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Tue 7/1011:19FSD - LHR

1 stop15h 01mUnited Airlines

Fri 17/1014:05LHR - FSD

2 stops30h 32mUnited Airlines

Deal found 11/6£536

Wed 10/912:19FSD - LHR

1 stop17h 56mIberia

Mon 22/919:25LHR - FSD

2 stops28h 23mIberia

Deal found 10/6£542

Tue 7/1012:30FSD - LHR

1 stop12h 20mMultiple Airlines

Fri 17/1013:10LHR - FSD

1 stop16h 49mMultiple Airlines

Deal found 12/6£552

Tue 7/1005:25FSD - LHR

1 stop19h 20mKLM

Fri 17/1012:25LHR - FSD

1 stop16h 24mKLM

Deal found 11/6£553

Wed 10/912:19FSD - LGW

2 stops25h 41mIberia

Mon 22/920:40LGW - FSD

2 stops27h 08mIberia

Deal found 10/6£673

Wed 10/911:20FSD - LCY

2 stops23h 05mLufthansa

Mon 22/908:45LCY - FSD

2 stops43h 27mLufthansa

Deal found 12/6£690

Wed 10/914:08FSD - LCY

2 stops20h 17mMultiple Airlines

Mon 22/908:45LCY - FSD

3 stops19h 27mMultiple Airlines

Deal found 10/6£767

Mon 22/1218:10FSD - LHR

1 stop29h 45mLufthansa

Fri 2/107:40LHR - FSD

1 stop20h 07mLufthansa

Deal found 11/6£954

Sun 22/612:56FSD - LCY

2 stops12h 19mKLM

Wed 10/909:20LCY - FSD

2 stops14h 04mKLM

Deal found 12/6£1,018

Fri 12/1215:16FSD - LGW

2 stops24h 09mMultiple Airlines

Mon 22/1211:55LGW - FSD

2 stops27h 36mMultiple Airlines

Deal found 12/6£1,189

Mon 23/619:59FSD - LHR

1 stop11h 11mDelta

Wed 9/711:30LHR - FSD

2 stops17h 33mDelta

Deal found 11/6£1,238

Sat 21/612:56FSD - LCY

2 stops18h 19mDelta

Sat 5/709:20LCY - FSD

2 stops20h 24mDelta

Deal found 11/6£1,403

Best flights from Sioux Falls to London
Discover carefully curated flight deals from Sioux Falls to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 June 2025.

Tue 7/1017:14FSD - LHR

1 stop13h 06mUnited Airlines

Fri 17/1009:30LHR - FSD

2 stops31h 08mUnited Airlines

Deal found 10/6£536

Wed 10/912:19FSD - LHR

1 stop17h 56mIberia

Mon 22/919:25LHR - FSD

2 stops28h 23mIberia

Deal found 10/6£542

Tue 7/1012:30FSD - LHR

1 stop12h 20mMultiple Airlines

Fri 17/1013:10LHR - FSD

1 stop16h 49mMultiple Airlines

Deal found 12/6£552

Tue 7/1019:30FSD - LHR

1 stop11h 40mKLM

Fri 17/1013:05LHR - FSD

1 stop15h 06mKLM

Deal found 10/6£553

Wed 6/815:16FSD - LHR

2 stops16h 14mVirgin Atlantic

Wed 13/812:25LHR - FSD

2 stops17h 19mVirgin Atlantic

Deal found 10/6£586

Wed 10/911:20FSD - LCY

2 stops23h 05mLufthansa

Mon 22/908:45LCY - FSD

2 stops43h 27mLufthansa

Deal found 12/6£690

Mon 23/619:59FSD - LHR

1 stop11h 11mDelta

Wed 9/711:30LHR - FSD

2 stops17h 33mDelta

Deal found 11/6£1,238

Wed 10/912:19FSD - LGW

2 stops25h 41mIberia

Mon 22/920:40LGW - FSD

2 stops27h 08mIberia

Deal found 10/6£673

Sun 22/617:56FSD - LHR

1 stop12h 19mAmerican Airlines

Mon 7/714:25LHR - FSD

1 stop15h 34mAmerican Airlines

Deal found 12/6£1,442

Wed 10/914:08FSD - LCY

2 stops20h 17mMultiple Airlines

Mon 22/908:45LCY - FSD

3 stops19h 27mMultiple Airlines

Deal found 10/6£767

Sun 22/612:56FSD - LCY

2 stops12h 19mKLM

Wed 10/909:20LCY - FSD

2 stops14h 04mKLM

Deal found 12/6£1,018

Tue 28/1018:23FSD - LHR

1 stop11h 52mLufthansa

Sat 1/1107:40LHR - FSD

2 stops17h 51mLufthansa

Deal found 11/6£1,223

Last-minute flights from Sioux Falls to London
Discover last-minute flight deals from Sioux Falls to London. Data last updated 13 June 2025 and is based on user searches.

Thu 19/614:05FSD - LHR

1 stop16h 15mLufthansa

Tue 24/609:30LHR - FSD

2 stops17h 38mLufthansa

Deal found 11/6£1,275

Sat 21/616:39FSD - LHR

2 stops37h 26mMultiple Airlines

Thu 10/717:15LHR - FSD

1 stop23h 52mMultiple Airlines

Deal found 11/6£1,378

Sat 21/612:56FSD - LCY

2 stops18h 19mDelta

Sat 5/709:20LCY - FSD

2 stops20h 24mDelta

Deal found 11/6£1,403

Sun 22/617:56FSD - LHR

1 stop10h 34mIberia

Wed 10/906:15LHR - FSD

2 stops17h 33mIberia

Deal found 12/6£947

Sun 22/611:20FSD - LHR

2 stops18h 15mUnited Airlines

Wed 10/907:25LHR - FSD

2 stops16h 02mUnited Airlines

Deal found 12/6£955

Sun 22/610:58FSD - LHR

1 stop20h 12mKLM

Wed 10/915:15LHR - FSD

1 stop13h 51mKLM

Deal found 12/6£963

Sun 22/612:56FSD - LCY

2 stops12h 19mKLM

Wed 10/909:20LCY - FSD

2 stops14h 04mKLM

Deal found 12/6£1,018

Sun 22/618:07FSD - LHR

1 stop13h 03mDelta

Fri 11/713:05LHR - FSD

1 stop15h 58mDelta

Deal found 12/6£1,244

Sun 22/617:56FSD - LHR

1 stop12h 19mAmerican Airlines

Mon 7/714:25LHR - FSD

1 stop15h 34mAmerican Airlines

Deal found 12/6£1,442

Mon 23/619:59FSD - LHR

1 stop11h 11mDelta

Wed 9/711:30LHR - FSD

2 stops17h 33mDelta

Deal found 11/6£1,238

Mon 23/617:56FSD - LGW

2 stops34h 54mIberia

Wed 10/920:40LGW - FSD

2 stops33h 16mIberia

Deal found 12/6£1,818

Tue 24/614:05FSD - LHR

1 stop16h 15mLufthansa

Thu 10/707:25LHR - FSD

2 stops16h 49mLufthansa

Deal found 11/6£1,225

One-way flights from Sioux Falls to London
Search for one-way flight options from Sioux Falls to London. Find affordable one-way fares based on user searches. Data last updated 13 June 2025.

Fri 25/721:39FSD - LGW

1 stop31h 16mMultiple Airlines

Deal found 11/6£149

Fri 25/721:39FSD - LHR

2 stops39h 11mMultiple Airlines

Deal found 11/6£240

Tue 5/805:15FSD - LHR

1 stop19h 30mKLM

Deal found 11/6£337

Wed 10/911:20FSD - LCY

2 stops23h 05mLufthansa

Deal found 10/6£347

Fri 8/812:47FSD - LHR

1 stop12h 33mAmerican Airlines

Deal found 11/6£374

Wed 10/914:38FSD - SEN

3 stops43h 07mMultiple Airlines

Deal found 10/6£433

Fri 8/821:39FSD - LCY

3 stops34h 06mMultiple Airlines

Deal found 11/6£439

Wed 25/617:56FSD - LHR

1 stop10h 34mIberia

Deal found 10/6£588

Sun 22/607:50FSD - LHR

2 stops20h 10mUnited Airlines

Deal found 12/6£745

Sun 22/607:50FSD - LCY

2 stops22h 40mUnited Airlines

Deal found 12/6£772

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux Falls to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 7/10

11:19-08:20

1 stop15h 01m

London Heathrow

Fri 17/10

14:05-14:37

2 stops30h 32m

£536

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 10/9

12:19-12:15

1 stop17h 56m

London Heathrow

Mon 22/9

19:25-17:48

2 stops28h 23m

£542

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 7/10

12:30-06:50

1 stop12h 20m

London Heathrow

Fri 17/10

13:10-23:59

1 stop16h 49m

£552

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 7/10

05:25-06:45

1 stop19h 20m

London Heathrow

Fri 17/10

12:25-22:49

1 stop16h 24m

£553

Sioux FallsLondon

FSD - LGW

FSDLGW

Sioux Falls Joe Foss Field

Wed 10/9

12:19-20:00

2 stops25h 41m

London Gatwick

Mon 22/9

20:40-17:48

2 stops27h 08m

£673

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Wed 10/9

11:20-16:25

2 stops23h 05m

London City

Mon 22/9

08:45-22:12

2 stops43h 27m

£690

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Wed 10/9

14:08-16:25

2 stops20h 17m

London City

Mon 22/9

08:45-22:12

3 stops19h 27m

£767

Sioux FallsLondon

FSD - LCY

FSDLCY

Sioux Falls Joe Foss Field

Sun 22/6

12:56-07:15

2 stops12h 19m

London City

Wed 10/9

09:20-17:24

2 stops14h 04m

£1,018

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 28/10

18:23-11:15

1 stop11h 52m

London Heathrow

Sat 1/11

07:40-20:31

2 stops17h 51m

£1,223

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 23/6

19:59-13:10

1 stop11h 11m

London Heathrow

Wed 9/7

11:30-23:03

2 stops17h 33m

£1,238

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 23 results

Best time to book a flight from Sioux Falls to London

Have a flexible travel schedule? Discover the best time to fly to London from Sioux Falls with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sioux Falls to London

What is the cheapest month to book a flight from Sioux Falls to London?

Currently, January is the cheapest month in which you can book a flight from Sioux Falls to London (average of £112). Flying from Sioux Falls to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in London by month

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Read through reviews of airlines operating flights from Sioux Falls to London, such as Delta, KLM and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,950 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,358 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Virgin Atlantic

7.4

Good

652 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly from for flights from Sioux Falls to London?
For a flight from Sioux Falls to London, you will be flying from Joe Foss Field. Sioux Falls Joe Foss Field (FSD) is just 2.6 mi from the center of the city. Joe Foss Field is the only Sioux Falls airport and it handles 0 outbound flights to London per day. 0 airlines have flights to London from Sioux Falls Joe Foss Field on a regular basis.
What are the cheapest airlines flying from Sioux Falls to London round-trip?
Flying on United Airlines is currently your cheapest option to London, with prices starting at £536. Additional return tickets that might be worth considering are offered by Iberia and KLM, with the lowest prices starting at £542 and £553, respectively. Users have found that United Airlines is 31% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Sioux Falls to London one-way?
The cheapest airline one-way is KLM, with whom users have recently found tickets for as low as £337. However, be on the lookout for offers from Lufthansa and American Airlines, as they are both options that can get you from Sioux Falls to London for a low price.
What are the most popular routes from Sioux Falls to London?
The most popular route from Sioux Falls to London is Sioux Falls Joe Foss Field - London Heathrow. You may also consider Sioux Falls Joe Foss Field - London City or Sioux Falls Joe Foss Field - London Gatwick.
Can I find deals for flights from Sioux Falls to London that include hotel bookings?
Yes. In addition to deals on Sioux Falls to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Sioux Falls to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to London.
Can I find deals for business class flights from Sioux Falls to London?
Yes. Cheapflights offers flight deals from Sioux Falls to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Sioux Falls to London?
Currently, January is the cheapest month in which you can book a flight from Sioux Falls to London (average of £112). Flying from Sioux Falls to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Gatwick

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Folkestone

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Dartford

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How does Cheapflights help users find flights from Sioux Falls to London?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Sioux Falls today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Sioux Falls to London?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sioux Falls to London for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Sioux Falls to London with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Sioux Falls to London, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Sioux Falls to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Sioux Falls today and book when prices fit your budget.

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Cheap flights from Sioux Falls to London from £149

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Sioux Falls to London

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Sioux Falls to London

Cheapest flights from Sioux Falls to LondonExplore the most affordable flight options available from Sioux Falls to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Explore the most affordable flight options available from Sioux Falls to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux Falls to London that are best for you.

Best time to book a flight from Sioux Falls to London

Have a flexible travel schedule? Discover the best time to fly to London from Sioux Falls with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Sioux Falls to London

What is the cheapest month to book a flight from Sioux Falls to London?

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 13 June 2025.

Read through reviews of airlines operating flights from Sioux Falls to London, such as Delta, KLM and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Sioux Falls to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Sioux Falls to London?

What are the cheapest airlines flying from Sioux Falls to London round-trip?

What are the cheapest airlines to fly from Sioux Falls to London one-way?

What are the most popular routes from Sioux Falls to London?

Can I find deals for flights from Sioux Falls to London that include hotel bookings?

How can I find direct flights from Sioux Falls to London?

Can I find deals for business class flights from Sioux Falls to London?

What is the cheapest month to book a flight from Sioux Falls to London?

Travelling to a place near Sioux Falls?

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Alternative routes for Sioux Falls to London

See prices for flight routes from nearby airports that may be better suited for you.

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Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sioux Falls to London?

Why should you use Cheapflights to find cheap flight tickets from Sioux Falls to London?

Can Cheapflights find flights from Sioux Falls to London with no change fees?

Can Cheapflights notify me if prices for flights from Sioux Falls to London become cheaper?

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Cheapest flights from Sioux Falls to London
Explore the most affordable flight options available from Sioux Falls to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.